Andesite flows and breccias

Present in southern Washoe, Esmeralda, Lyon, Douglas, Carson, Mineral, and Lander Counties. It corresponds to unit QTa on the 1978 State map.
State Nevada
Name Andesite flows and breccias
Geologic age Holocene to Pliocene
Lithologic constituents
Igneous > Volcanic > Mafic-volcanic > Andesite (Flow, Volcaniclastic-volcanic breccia)
NGMDB product
Counties Esmeralda - Lander - Lyon - Mineral - Storey - Washoe